pub mod days;

use std::{fmt::Display, fs, time::Instant};

use anyhow::Result;
use log::info;

pub fn run<T, P, A, B, RA, RB>(
    name: &str,
    input_path: &str,
    parse: P,
    part_a: A,
    part_b: B,
) -> Result<()>
where
    T: Clone,
    P: Fn(&[u8]) -> T,
    A: Fn(T) -> RA,
    B: Fn(T) -> RB,
    RA: Display,
    RB: Display,
{
    let _ = env_logger::try_init();
    let file = &fs::read_to_string(input_path)?;
    let bytes = file.as_bytes();
    let label_parse = format!("{name} Parse");
    let parse_start = Instant::now();
    let input = parse(bytes);
    let parse_elapsed = parse_start.elapsed();
    info!("{label_parse}");
    info!("{}", "-".repeat(label_parse.len()));
    info!("Parse time: {:?}", parse_elapsed);

    info!("");

    let label_a = format!("{name} Part A");
    info!("{label_a}");
    info!("{}", "-".repeat(label_a.len()));
    let part_a_start = Instant::now();
    info!("Part A answer: {}", part_a(input.clone()));
    let part_a_elapsed = part_a_start.elapsed();
    info!("Part A time: {:?}", part_a_elapsed);

    info!("");

    let label_b = format!("{name} Part B");
    info!("{label_b}");
    info!("{}", "-".repeat(label_b.len()));
    let part_b_start = Instant::now();
    info!("Part B answer: {}", part_b(input.clone()));
    let part_b_elapsed = part_b_start.elapsed();
    info!("Part B time: {:?}", part_b_elapsed);

    info!("");

    info!("Challenge time: {:?}", part_a_elapsed + part_b_elapsed);
    info!(
        "Total time: {:?}",
        part_a_elapsed + part_b_elapsed + parse_elapsed
    );

    Ok(())
}